This paper reviewed the effect of powder characteristics and additives including metals,rare earth oxides,and ZrO2 on nitridation of Si powder.The decrease of particle size of Si powder increased nitridation.Most of m...This paper reviewed the effect of powder characteristics and additives including metals,rare earth oxides,and ZrO2 on nitridation of Si powder.The decrease of particle size of Si powder increased nitridation.Most of metal additives inhibited nitridation,while some metal additives such as Fe,Cu,Cr,and Ca increased nitrida—tion.Otherwise,the addition of metals might lead to the degradation of physical and mechanical properties of Si3N4.All the rare earth oxides,especially CeO2 and Eu2O3,showed nitridation enhancing effect.In addition,ZrO2 with small particle size showed a stronger enhancing effect.展开更多
主要阐述了以低纯度颗粒硅带(SSP-Silicon Sheet from Powder)为衬底的多晶硅薄膜(poly-CsiTF)太阳电池的制备,给出制得的太阳电池I-V曲线和光谱响应曲线并由此讨论影响电池性能的可能因素,着重分析了颗粒硅带衬底的作用。目前,在没有...主要阐述了以低纯度颗粒硅带(SSP-Silicon Sheet from Powder)为衬底的多晶硅薄膜(poly-CsiTF)太阳电池的制备,给出制得的太阳电池I-V曲线和光谱响应曲线并由此讨论影响电池性能的可能因素,着重分析了颗粒硅带衬底的作用。目前,在没有任何电池工艺优化的条件下,在低纯度硅带上制得多晶硅薄膜电池的转换效率通常在5%~7%范围(电池面积1cm2)。展开更多
基金financially supported by Guangdong Innovative and Entrepreneurial Research Team Program ( No. 2013G061)the National Natural Science Foundation of China ( No. 51402055)
文摘This paper reviewed the effect of powder characteristics and additives including metals,rare earth oxides,and ZrO2 on nitridation of Si powder.The decrease of particle size of Si powder increased nitridation.Most of metal additives inhibited nitridation,while some metal additives such as Fe,Cu,Cr,and Ca increased nitrida—tion.Otherwise,the addition of metals might lead to the degradation of physical and mechanical properties of Si3N4.All the rare earth oxides,especially CeO2 and Eu2O3,showed nitridation enhancing effect.In addition,ZrO2 with small particle size showed a stronger enhancing effect.
文摘主要阐述了以低纯度颗粒硅带(SSP-Silicon Sheet from Powder)为衬底的多晶硅薄膜(poly-CsiTF)太阳电池的制备,给出制得的太阳电池I-V曲线和光谱响应曲线并由此讨论影响电池性能的可能因素,着重分析了颗粒硅带衬底的作用。目前,在没有任何电池工艺优化的条件下,在低纯度硅带上制得多晶硅薄膜电池的转换效率通常在5%~7%范围(电池面积1cm2)。